Introduction: Collecting art -- Comparative Studies of Civilization – Comparative Studies of Art Collection -- Collectors’ Rights “versus” Artists’ Rights - Conservation and Collection Care -- Comparative approaches to the study of national museums -- Private Collections “versus” Public Collections -- Governance of museums -- Selling art – Is it permitted? And if yes, under what conditions? -- Cultural Economics -- Museums and Collectors and the Illicit Trade of Art/Cultural Objects -- Conclusions: The Ethics of Acquiring Art and Antiquities.